in close relationship
linked directly to each other
thenational education, health, environment and culture
In fact, the education provides skilled workforce
A high quality of education can guarantee a better quality of next generation of workers.
You are talking about education in general so "the" is not necessary.
Take Vietnam for an example. If the government had allowed mining raw resources in highland areas, its forests would have been destroyed and its water resources would have been polluted. What seemed economically benefited at first would have resulted in a great impact to the environment and people heath, costing a large amount of government budget to fix problems.
This part doesn't clarify how other factors contribute to the growth of a nation.
This
In my opinion, among all factors that decide a national advancement, education plays the most important part.
In my opinion, education is the most important factor to assess the success of a country.
every individuals needsto the right level